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On Channel Correlation Based Scheduling and Signalling for MIMO-OFDMA Downlink
2011 IEEE 73rd Vehicular Technology Conference (VTC Spring)
For joint MIMO-OFDMA link adaptation and scheduling, channel quality feedback needs to be quantized, sparse and irregular. For flexible scheduling, prediction of the quantized channel at the base-station is needed. We propose measurement of 3D channel correlation parameters by the terminals and signalling back to the base station, which enables prediction of the quantized channel by multi-dimensional Wiener filtering. The scheme is shown to improve adaptive choice of transmission parameters anddoi:10.1109/vetecs.2011.5956189 dblp:conf/vtc/IbingBO11 fatcat:o2d4vjo3knhgxlnvspszom2zy4